<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Apply a new code</title>
</head>
<body>
<%  
  request.getSession().setAttribute("code", "shiyanlou");  
  %>
your INVITATION CODE is :  <b>shiyanlou</b> <br/>
<a href="index.jsp" type="button" >Back to login</a>
</body>
</html>